Switching

Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about NGWC (3850/5760): Architecture and Deployment.Ask questions from Monday, April 13th, 2015 to Friday, April 24th, 2015This Ask ...

I have a general question about the "switchport trunk allowed vlan" command when configuring a trunk port on a switch. I understand that what it does is allow the specified VLANs to run across the trunk but if you have say a simple setup with three s...

Is there a way for me to be able to 'lock down' a VLAN so that DHCP requests are answered by ONLY the specific DHCP server that I haev assgined to that VLAN's subnet?Would this be accomplished by just putting an ip-helper line in the VLAN configurati...

Hello,I have two WS-C3750V2-24FS :Apr 23 11:56:25.291: %SNMP-3-CPUHOG: Processing GetBulk of lldpRemEntry.9Apr 23 13:56:22.056: %SYS-3-CPUHOG: Task is running for (2097)msecs, more than (2000)msecs (9/8),process = SNMP ENGINE.-Traceback= 1761ED8 173A...

Hello, I need help for the LAN network in my factory.I have a LAN network composed of several computers (on a cisco C2960-24PC-L switch).I would like to connect 2 profinet devices more. (Siemens devices : S7-315F & Scalance) but it's not working. Mor...

Hey cisco experts ;-)which is the default formula for calculating the OSPF routing metric?and what are the metrics for Fa, E, T1 and T3.Thanks so far!  

Hello,I have 1xASR 1004 and 2xASA 5585-x (Failover in Active/Standby). I'm not sure how I can succesfully connect these two devices directly. I tried a port-channel but the standby units link shows a 'susp' in the etherchannel stats on the ASR. When ...

Hello My Cisco switch, model WS-C4948 10GE, is looks like "dead". I tried to conect it by console  port but it dosen't work . (I have linked by RS-RJ cable to my PC with Putty terminal and there is nothing on terminal window). The LED's statuses of f...

 Main Hardware :one router 2800one switch 3500My LAN 172.168..... is connected to f0/0 and internet is coming to f0/1 through dhcp from other network 10.0.... A#show ip interface briefInterface                  IP-Address      OK? Method Status      ...

A simple question: Our client has 3560X Switches with a limited lifetime warranty. The Cisco Partner with whom they had the contract before bought the equipment, and they did not end up on good terms. One of the devices died the other day. My questio...

Dir Sir: i have a 3560x  and  five 2960s .Each 2960s use  two rj45 cable   as etherchannel connect to 3560x  ,should i use which protocol and which is best ? thanks!!